Document (#39519)

Author
Oreskovic, A.
Title
Google introduces new 'Hummingbird' search algorithm
Source
http://www.reuters.com/article/net-us-google-search-idUSBRE98P11O20131002
Year
2013
Abstract
Google Inc has overhauled its search algorithm, the foundation of the Internet's dominant search engine, to better cope with the longer, more complex queries it has been getting from Web users.
Object
Google Hummingbird
PageRank

Similar documents (content)

  1. Fiorelli, G.: Hummingbird unleashed (2013) 0.62
    0.6223005 = sum of:
      0.6223005 = product of:
        3.1115024 = sum of:
          0.009680079 = weight(abstract_txt:from in 4547) [ClassicSimilarity], result of:
            0.009680079 = score(doc=4547,freq=2.0), product of:
              0.0392716 = queryWeight, product of:
                1.107681 = boost
                2.7887225 = idf(docFreq=7144, maxDocs=42740)
                0.012713308 = queryNorm
              0.24649057 = fieldWeight in 4547, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.7887225 = idf(docFreq=7144, maxDocs=42740)
                0.0625 = fieldNorm(doc=4547)
          0.034998167 = weight(abstract_txt:better in 4547) [ClassicSimilarity], result of:
            0.034998167 = score(doc=4547,freq=1.0), product of:
              0.11655553 = queryWeight, product of:
                1.908279 = boost
                4.8043256 = idf(docFreq=951, maxDocs=42740)
                0.012713308 = queryNorm
              0.30027035 = fieldWeight in 4547, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.8043256 = idf(docFreq=951, maxDocs=42740)
                0.0625 = fieldNorm(doc=4547)
          2.8956225 = weight(title_txt:hummingbird in 4547) [ClassicSimilarity], result of:
            2.8956225 = score(doc=4547,freq=1.0), product of:
              0.47679383 = queryWeight, product of:
                3.8595862 = boost
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.012713308 = queryNorm
              6.0731125 = fieldWeight in 4547, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.625 = fieldNorm(doc=4547)
          0.17120178 = weight(abstract_txt:google in 4547) [ClassicSimilarity], result of:
            0.17120178 = score(doc=4547,freq=3.0), product of:
              0.29341194 = queryWeight, product of:
                4.281829 = boost
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.012713308 = queryNorm
              0.5834861 = fieldWeight in 4547, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.0625 = fieldNorm(doc=4547)
        0.2 = coord(4/20)
    
  2. Miller, C.C.: Google alters search to handle more complex queries (2013) 0.37
    0.37204856 = sum of:
      0.37204856 = product of:
        1.0629959 = sum of:
          0.03140074 = weight(abstract_txt:more in 4520) [ClassicSimilarity], result of:
            0.03140074 = score(doc=4520,freq=2.0), product of:
              0.05925985 = queryWeight, product of:
                1.360679 = boost
                3.4256759 = idf(docFreq=3778, maxDocs=42740)
                0.012713308 = queryNorm
              0.5298822 = fieldWeight in 4520, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4256759 = idf(docFreq=3778, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.072800994 = weight(abstract_txt:queries in 4520) [ClassicSimilarity], result of:
            0.072800994 = score(doc=4520,freq=1.0), product of:
              0.13078828 = queryWeight, product of:
                2.0214353 = boost
                5.0892105 = idf(docFreq=715, maxDocs=42740)
                0.012713308 = queryNorm
              0.5566324 = fieldWeight in 4520, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.0892105 = idf(docFreq=715, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.07433687 = weight(abstract_txt:complex in 4520) [ClassicSimilarity], result of:
            0.07433687 = score(doc=4520,freq=1.0), product of:
              0.13262136 = queryWeight, product of:
                2.0355518 = boost
                5.1247506 = idf(docFreq=690, maxDocs=42740)
                0.012713308 = queryNorm
              0.5605196 = fieldWeight in 4520, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1247506 = idf(docFreq=690, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.13113134 = weight(abstract_txt:engine in 4520) [ClassicSimilarity], result of:
            0.13113134 = score(doc=4520,freq=2.0), product of:
              0.15367562 = queryWeight, product of:
                2.1911793 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.012713308 = queryNorm
              0.85329956 = fieldWeight in 4520, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.29960313 = weight(abstract_txt:google in 4520) [ClassicSimilarity], result of:
            0.29960313 = score(doc=4520,freq=3.0), product of:
              0.29341194 = queryWeight, product of:
                4.281829 = boost
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.012713308 = queryNorm
              1.0211006 = fieldWeight in 4520, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.16134813 = weight(abstract_txt:search in 4520) [ClassicSimilarity], result of:
            0.16134813 = score(doc=4520,freq=4.0), product of:
              0.20199488 = queryWeight, product of:
                4.351172 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.012713308 = queryNorm
              0.7987734 = fieldWeight in 4520, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
          0.2923748 = weight(abstract_txt:algorithm in 4520) [ClassicSimilarity], result of:
            0.2923748 = score(doc=4520,freq=2.0), product of:
              0.3304486 = queryWeight, product of:
                4.5440426 = boost
                5.7200913 = idf(docFreq=380, maxDocs=42740)
                0.012713308 = queryNorm
              0.8847815 = fieldWeight in 4520, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.7200913 = idf(docFreq=380, maxDocs=42740)
                0.109375 = fieldNorm(doc=4520)
        0.35 = coord(7/20)
    
  3. Haynes, M.: Your Google algorithm cheat sheet : Panda, Penguin, and Hummingbird (2013) 0.36
    0.3573 = sum of:
      0.3573 = product of:
        1.7865001 = sum of:
          0.0062954924 = weight(abstract_txt:with in 4543) [ClassicSimilarity], result of:
            0.0062954924 = score(doc=4543,freq=1.0), product of:
              0.032007307 = queryWeight, product of:
                2.5176222 = idf(docFreq=9369, maxDocs=42740)
                0.012713308 = queryNorm
              0.19668923 = fieldWeight in 4543, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.5176222 = idf(docFreq=9369, maxDocs=42740)
                0.078125 = fieldNorm(doc=4543)
          1.4478112 = weight(title_txt:hummingbird in 4543) [ClassicSimilarity], result of:
            1.4478112 = score(doc=4543,freq=1.0), product of:
              0.47679383 = queryWeight, product of:
                3.8595862 = boost
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.012713308 = queryNorm
              3.0365562 = fieldWeight in 4543, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.3125 = fieldNorm(doc=4543)
          0.12355425 = weight(abstract_txt:google in 4543) [ClassicSimilarity], result of:
            0.12355425 = score(doc=4543,freq=1.0), product of:
              0.29341194 = queryWeight, product of:
                4.281829 = boost
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.012713308 = queryNorm
              0.42109483 = fieldWeight in 4543, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.078125 = fieldNorm(doc=4543)
          0.20883915 = weight(abstract_txt:algorithm in 4543) [ClassicSimilarity], result of:
            0.20883915 = score(doc=4543,freq=2.0), product of:
              0.3304486 = queryWeight, product of:
                4.5440426 = boost
                5.7200913 = idf(docFreq=380, maxDocs=42740)
                0.012713308 = queryNorm
              0.6319868 = fieldWeight in 4543, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.7200913 = idf(docFreq=380, maxDocs=42740)
                0.078125 = fieldNorm(doc=4543)
        0.2 = coord(4/20)
    
  4. ¬Der Google Hummingbird Algorithmus : semantisch-holistische Suche (2013) 0.31
    0.3082199 = sum of:
      0.3082199 = product of:
        2.0547993 = sum of:
          0.072800994 = weight(abstract_txt:queries in 4522) [ClassicSimilarity], result of:
            0.072800994 = score(doc=4522,freq=1.0), product of:
              0.13078828 = queryWeight, product of:
                2.0214353 = boost
                5.0892105 = idf(docFreq=715, maxDocs=42740)
                0.012713308 = queryNorm
              0.5566324 = fieldWeight in 4522, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.0892105 = idf(docFreq=715, maxDocs=42740)
                0.109375 = fieldNorm(doc=4522)
          1.7373735 = weight(title_txt:hummingbird in 4522) [ClassicSimilarity], result of:
            1.7373735 = score(doc=4522,freq=1.0), product of:
              0.47679383 = queryWeight, product of:
                3.8595862 = boost
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.012713308 = queryNorm
              3.6438675 = fieldWeight in 4522, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.71698 = idf(docFreq=6, maxDocs=42740)
                0.375 = fieldNorm(doc=4522)
          0.24462491 = weight(abstract_txt:google in 4522) [ClassicSimilarity], result of:
            0.24462491 = score(doc=4522,freq=2.0), product of:
              0.29341194 = queryWeight, product of:
                4.281829 = boost
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.012713308 = queryNorm
              0.83372515 = fieldWeight in 4522, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.109375 = fieldNorm(doc=4522)
        0.15 = coord(3/20)
    
  5. Kenney, A.R.; McGovern, N.Y.; Martinez, I.T.; Heidig, L.J.: Google meets eBay : what academic librarians can learn from alternative information providers (2003) 0.27
    0.27316633 = sum of:
      0.27316633 = product of:
        0.6070363 = sum of:
          0.0075545916 = weight(abstract_txt:with in 3201) [ClassicSimilarity], result of:
            0.0075545916 = score(doc=3201,freq=4.0), product of:
              0.032007307 = queryWeight, product of:
                2.5176222 = idf(docFreq=9369, maxDocs=42740)
                0.012713308 = queryNorm
              0.23602709 = fieldWeight in 3201, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.5176222 = idf(docFreq=9369, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.010267274 = weight(abstract_txt:from in 3201) [ClassicSimilarity], result of:
            0.010267274 = score(doc=3201,freq=4.0), product of:
              0.0392716 = queryWeight, product of:
                1.107681 = boost
                2.7887225 = idf(docFreq=7144, maxDocs=42740)
                0.012713308 = queryNorm
              0.26144272 = fieldWeight in 3201, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.7887225 = idf(docFreq=7144, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.013457461 = weight(abstract_txt:more in 3201) [ClassicSimilarity], result of:
            0.013457461 = score(doc=3201,freq=2.0), product of:
              0.05925985 = queryWeight, product of:
                1.360679 = boost
                3.4256759 = idf(docFreq=3778, maxDocs=42740)
                0.012713308 = queryNorm
              0.22709239 = fieldWeight in 3201, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4256759 = idf(docFreq=3778, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.019719671 = weight(abstract_txt:been in 3201) [ClassicSimilarity], result of:
            0.019719671 = score(doc=3201,freq=3.0), product of:
              0.06678637 = queryWeight, product of:
                1.444506 = boost
                3.6367204 = idf(docFreq=3059, maxDocs=42740)
                0.012713308 = queryNorm
              0.2952649 = fieldWeight in 3201, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6367204 = idf(docFreq=3059, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.06882961 = weight(abstract_txt:engine in 3201) [ClassicSimilarity], result of:
            0.06882961 = score(doc=3201,freq=3.0), product of:
              0.15367562 = queryWeight, product of:
                2.1911793 = boost
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.012713308 = queryNorm
              0.44788897 = fieldWeight in 3201, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.5165615 = idf(docFreq=466, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.08659592 = weight(abstract_txt:dominant in 3201) [ClassicSimilarity], result of:
            0.08659592 = score(doc=3201,freq=1.0), product of:
              0.2583014 = queryWeight, product of:
                2.840788 = boost
                7.152031 = idf(docFreq=90, maxDocs=42740)
                0.012713308 = queryNorm
              0.33525145 = fieldWeight in 3201, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.152031 = idf(docFreq=90, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.1445905 = weight(abstract_txt:internet's in 3201) [ClassicSimilarity], result of:
            0.1445905 = score(doc=3201,freq=1.0), product of:
              0.36354232 = queryWeight, product of:
                3.3701787 = boost
                8.484837 = idf(docFreq=23, maxDocs=42740)
                0.012713308 = queryNorm
              0.3977267 = fieldWeight in 3201, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.484837 = idf(docFreq=23, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.19613628 = weight(abstract_txt:google in 3201) [ClassicSimilarity], result of:
            0.19613628 = score(doc=3201,freq=7.0), product of:
              0.29341194 = queryWeight, product of:
                4.281829 = boost
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.012713308 = queryNorm
              0.6684673 = fieldWeight in 3201, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                5.3900137 = idf(docFreq=529, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
          0.05988496 = weight(abstract_txt:search in 3201) [ClassicSimilarity], result of:
            0.05988496 = score(doc=3201,freq=3.0), product of:
              0.20199488 = queryWeight, product of:
                4.351172 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.012713308 = queryNorm
              0.29646772 = fieldWeight in 3201, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.046875 = fieldNorm(doc=3201)
        0.45 = coord(9/20)